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Note 8 - Earnings Per Share - Summary of Earnings Per Share (Details) - shares shares in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2019	Oct. 31, 2018	Oct. 31, 2019	Oct. 31, 2018
Basic weighted average common shares outstanding (in shares)	8,037	7,877	7,970	7,806
Dilutive effect of equity compensation plans (in shares)			77
Weighted average common shares outstanding assuming full dilution (in shares)	8,037	7,877	8,047	7,806
Stock options not included in the computation of diluted earnings per share of common stock because the option exercise prices exceeded the average market prices of the common shares (in shares)	68	176	68	176
Stock options with an exercise price below the average market price (in shares)	77	91	77	91

X

- Definition

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.

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